Tianjin develops a new type of plastic yellow pigment

Not long ago, Tianjin developed the HR02-G product and process. The permanent yellow HR02-G is made by diazotizing and coupling 3-3-dichlorobenzidine 2-5-dimethoxy-4-chloroacetoaniline. In the reaction, the pigment particle size is changed, and two key steps of compounding agent are added to improve the product performance, achieve the technical indicators of foreign similar products, and become the colorant in the plastic industry.